Home / 215,878.07-323,806.17-75,625.76

Finding the Fourth Proportional to 215,878.07, 323,806.17 and 75,625.76

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Solution

The fourth proportional to 215,878.07, 323,806.17 and 75,625.76 is: 113,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,878.07 : 323,806.17 = 75,625.76 : x
  2. Step 2: Convert to fraction form
    215,878.07/323,806.17 = 75,625.76/x
  3. Step 3: Cross multiply
    215,878.07x = 323,806.17 × 75,625.76
  4. Step 4: Simplify right side
    215,878.07x = 24,488,087,698.94
  5. Step 5: Solve for x
    x = 24,488,087,698.94/215,878.07
  6. Step 6: Final answer
    x = 113,434.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.